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- use bash-static and avoid dragging in all of debian-base - use distroless as the base image - the shell script needs a `cp` utility, add a go based one for just files (no support for directories!) - Rework the calls to `mv` and recursive `cp` in the code - we don't need to support windows in this container image - the test case was slightly off as it was assuming that the old directory was copied into the new directory, but the desired functionality is that all files in the old directory should be in the new directory. Signed-off-by: Davanum Srinivas <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| load("@io_bazel_rules_go//go:def.bzl", "go_binary", "go_library") | ||
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| go_library( | ||
| name = "go_default_library", | ||
| srcs = ["cp.go"], | ||
| importpath = "k8s.io/kubernetes/cluster/images/etcd/cp", | ||
| visibility = ["//visibility:private"], | ||
| ) | ||
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|
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| go_binary( | ||
| name = "cp", | ||
| embed = [":go_default_library"], | ||
| visibility = ["//visibility:public"], | ||
| ) | ||
|
|
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| filegroup( | ||
| name = "package-srcs", | ||
| srcs = glob(["**"]), | ||
| tags = ["automanaged"], | ||
| visibility = ["//visibility:private"], | ||
| ) | ||
|
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||
| filegroup( | ||
| name = "all-srcs", | ||
| srcs = [":package-srcs"], | ||
| tags = ["automanaged"], | ||
| visibility = ["//visibility:public"], | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| /* | ||
| Copyright 2020 The Kubernetes Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package main | ||
|
|
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| import ( | ||
| "io" | ||
| "log" | ||
| "os" | ||
| "path/filepath" | ||
| ) | ||
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| func main() { | ||
| if len(os.Args) != 3 { | ||
| log.Fatal("Usage: cp SOURCE DEST") | ||
| } | ||
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| sf, err := os.Open(os.Args[1]) | ||
| if err != nil { | ||
| log.Fatalf("unable to open source file [%s]: %q", os.Args[1], err) | ||
| } | ||
| defer sf.Close() | ||
| fi, err := sf.Stat() | ||
| if err != nil { | ||
| log.Fatalf("unable to stat source file [%s]: %q", os.Args[1], err) | ||
| } | ||
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| dir := filepath.Dir(os.Args[2]) | ||
| if err := os.MkdirAll(dir, 0755); err != nil { | ||
| log.Fatalf("unable to create directory [%s]: %q", dir, err) | ||
| } | ||
| df, err := os.Create(os.Args[2]) | ||
| if err != nil { | ||
| log.Fatalf("unable to create destination file [%s]: %q", os.Args[1], err) | ||
| } | ||
| defer df.Close() | ||
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| _, err = io.Copy(df, sf) | ||
| if err != nil { | ||
| log.Fatalf("unable to copy [%s] to [%s]: %q", os.Args[1], os.Args[2], err) | ||
| } | ||
|
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| if err := df.Close(); err != nil { | ||
| log.Fatalf("unable to close destination file: %q", err) | ||
| } | ||
| if err := os.Chmod(os.Args[2], fi.Mode()); err != nil { | ||
| log.Fatalf("unable to close destination file: %q", err) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| // +build !windows | ||
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| /* | ||
| Copyright 2020 The Kubernetes Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
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| package main | ||
|
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| import ( | ||
| "github.com/mrunalp/fileutils" | ||
| ) | ||
|
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| func copyDirectory(source string, dest string) error { | ||
| return fileutils.CopyDirectory(source, dest) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| // +build windows | ||
|
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| /* | ||
| Copyright 2020 The Kubernetes Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
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| package main | ||
|
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| import "fmt" | ||
|
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| func copyDirectory(source string, dest string) error { | ||
| return fmt.Errorf("no support for windows") | ||
| } |
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